Eaghtyr

Ta'n fockle eaghtyr ny chur sheese er mooad ta fockley mooadys daa-howshanagh er rheynn vaghtal jeh baare, eaghtyr ny crackan, ta caglit liorish cruill ghooint. Ta'n enmys ny chur sheese er slane eaghtyr baare, eaghtyr ny crackan anchoodit jeh stooalt tree-howshanagh, lheid as sym eaghtyryn jeh çheughyn anchoodit polyheedrane.

 Unnidyn 
Ta unnidyn ry hoi towshanagh eaghtyr goaill stiagh lheid as:

are (a) = 100 meteryn kerrinagh (m²)
hectare (ha) = 100 areyn (a) = 10000 meteryn kerrinagh (m²)
kilometer kerrinagh (km²) = 100 hectareyn (ha) = 10000 areyn (a) = 1000000 meteryn kerrinagh (m²)
mooar-veter kerrinagh (Mm²) = 1012 meteryn kerrinagh
trie cherrinagh = 144 oarlee cherrinagh = 0.09290304 meteryn kerrinagh (m²)
stundayrt kerrinagh = 9 trieyn kerrinagh (0.84 m²) = 0.83612736 meteryn kerrinagh (m²)
perçh kerrinagh = 30.25 stundayrtyn kerrinagh = 25.2928526 meteryn kerrinagh (m²)
meeilley cherrinagh = 640 acyryn (2.6 km²) = 2.5899881103 kilometeryn kerrinagh (km²)

 Formley 
+ Formley cadjin da eaghtyr:       Cummey Cormid CeaghleeKerrinShe  lhiurid un çheu y cherrin.Troorane cadjin (troorane co-lhiatteeagh)She  lhiurid un çheu y troorane.Shey-lhiattaghan cadjinShe  lhiurid un çheu y shey-lhiattaghan.Hoght-lhiatteeane cadjinShe  lhurid un çheu y hoght-lhiatteeane.Yl-lhiatteeane cadjin erbeeShe  yn apothem, ny craue raadeeoil jeh kiarkyl grainnit 'syn yl-lhiatteeane, as she  ym-linney yn yl-lhiatteeane.Yl-lhiatteeane cadjin erbeeShe       y çheu-lhiurid as she  earroo ny çheughyn.Yl-lhiatteeane erbee (jannoo ymmyd jeh towse keim)She  y çheu-lhiurid as she  earroo ny çheughyn.Kiare-chuilleigShe  as  lhiuridyn jeh çheughyn ny kiare-chuilleig (lhiurid as lheead).Coheeyntane (dy cadjin)She  as  lhiurid y vun as lhiurid yn yrjid jeeraghan, er lheh.RhombusShe  as  lhiuridyn daa hessen y rhombus.TrooraneShe  as  bun as yrjid (towsit ayns jeeraghan rish y vun), er lheh.TrooraneShe  as  daa çheu erbee, as she  yn uillin eddyr oc.KiarkylShe  y chraue raadeeoil as she  y crantessen.EelipsShe  as  ny h-essylyssyn lieh-vooar as lieh-veg, er mod.Far-voayrdeen She  as  ny çheughyn coheeynt as she  y foddeeaght (yrjid) eddyr ny colinnaghyn.Slane eaghtyr y RollianShe  as  y chraue raadeeoil as yn yrjid, er mod.Eaghtyr lhiattagh y rollianShe  as  y chraue raadeeoil as yn yrjid, er mod.Slane eaghtyr y chughlin She  as  y chraue raadeeoil as yn yrjid sceau, er mod.Eaghtyr lhiattagh y chughlin.She  as  y chraue raadeeoil as yn yrjid sceau, er mod.Slane eaghtyr ny cruinneyShe  and  are the radius and diameter, respectively.Slane eaghtyr yn eelipsoyd Jeeagh er yn art.Rheynnag chiarkylaghShe  as  y chraue raadeeoil as yn uillin (ayns raadjanyn), er mod.Çhyndaays eaghtyr kerrinagh dys eaghtyr kiarkylaghShe  eaghtyr y cherrin ayns unnidyn kerrinagh.Çhyndaays eaghtyr kiarkylagh dys eaghtyr kerrinaghShe  eaghtyr y chiarkyl ayns unnidyn kiarkylagh.

Ta ny calghoolyssyn shoh heose taishbyney c'red eaghtyr ram cummaghyn cadjin y gheddyn.

 Imraaghyn